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hypersomnia ['haɪpə'sɔmnɪə] n
gen. 睡眠过度; 过多〔时间过长〕的睡眠; 嗜睡症; 间歇性睡眠过度
anim.husb. 睡眠过多; 嗜睡
 English thesaurus
hypersomnia ['haɪpə'sɔmnɪə] abbr.
abbr. pathologically excessive sleep (MichaelBurov); uncontrollable drowsiness (MichaelBurov)